"We are not concerned with the international tribunal as the ICC did not ask us to hand him over," al-Atiri told The New Arab previously.

In the same month, the battalion announced the handover of Saif al-Islam to a committee composed of the Military Council and the Social Council to oversee his imprisonment.

According to the source, armed groups with no links to Haftar's forces opposed the presence of Gaddafi's son in Zintan, and demanded authorities carry out the death sentence issued by a court in Tripoli years ago.

He was sentenced to death in absentia by a court in Tripoli in July 2015 for involvement in the killing of protesters during the uprising that toppled his father.